President Donald Trump on Thursday called for U.S. nuclear experts to begin work on what he described as a "new, improved, and modernized Treaty," arguing that the United States should move away from ...

In January 2025, WSJ went inside Three Mile Island to learn more about the delicate process of rebooting a nuclear power plant. Photo Illustration: Alexandra Larkin A nuclear-power startup said it has ...

When the US briefly stopped sharing battlefield intelligence with Ukraine in March 2025, the results were immediate. Kyiv’s forces suffered decisive setbacks on the battlefield as its European allies ...

What new nuclear technologies mean for safety, costs, and more. Nuclear power continues to be one of the hottest topics in energy today, and in our recent online Roundtables discussion about ...

WSJ’s Shelby Holliday explains the massive U.S. military presence in the Middle East as President Trump amps up pressure on Iran over its nuclear program. Illustration: Ryan Trefes MUSCAT, Oman—Tehran ...

U.S. and Iranian representatives met in Oman on Friday for talks over the fate of Tehran’s nuclear program, the first such negotiations between the two sides since U.S. strikes on Iranian nuclear ...

An awe-inspiring science project by a Dallas ISD seventh-grader is now drawing national attention, as the student works to secure a Guinness World Record as the youngest person to achieve nuclear ...

A model of a 09IIIB submarine posted to Chinese social media. It does not appear to be an official model, but much of it correlates with other indicators and may be grossly representative of the real ...

“Buying uranium is suspiciously easy. It shows up in a UPS truck,” says Staff Sheehan, CEO and founder of Project Omega. “You can Google it.” He’s not speaking hypothetically. He’s explaining how his ...

Also, Trump expanded his power to fire federal workers. Here’s the latest at the end of Thursday. By Matthew Cullen For more than 50 years, the world’s two largest nuclear superpowers — the U.S. and ...

The Northwest’s only commercial nuclear power plant, the Columbia Generating Station, was manually shut down early Thursday morning due to a mechanical problem. Energy Northwest workers shut the plant ...

Russia will continue to observe the limits set under the recently-expired New START nuclear arms reduction treaty if the United States does the same, Russian Foreign Minister Sergey Lavrov said ...